Which of the following statements regarding a taxpayer's principal residence is true for the purposes of determining whether the taxpayer is eligible to exclude gain realized on the sale of the residence?
A) A taxpayer may have more than one principal residence at any one time.B) A taxpayer's principal residence may not be a houseboat.C) A taxpayer with more than one residence may annually elect which residence is considered to be the principal residence.D) None of the choices are true.